EditorialDianne Cameron, director of animal care at Six Flags Discovery Kingdom and Cronutt, a sea lion with a seizure disorder, in Vallejo, Calif., Oct. 5, 2020. (Christie Hemm Klok/The New York Times)
EditorialCronutt, a 7-year-old sea lion, in his enclosure at Six Flags Discovery Kingdom in Vallejo, Calif., on Oct. 5, 2020. (Christie Hemm Klok/The New York Times)